A multi-pass differential photoacoustic spectrometer at 1064 nm for ambient aerosol absorption [0.03%]
一种用于环境颗粒物吸收测量的1064nm多光程差分激光诱导荧光光谱仪
Jie Chen,Xianmei Qian,Wenyue Zhu et al.
Jie Chen et al.
Accurate atmospheric aerosol absorption measurements are critical for advancing our understanding of global climate effects and reginal meteorological processes. In this paper, a multi-pass differential photoacoustic spectrometer (MP-DPAS) ...
Contrast-enhanced multispectral optoacoustic tomography for the assessment of the gastrointestinal transit in patients with cystic fibrosis [0.03%]
用于囊性纤维化患者胃肠道转运评估的对比增强多光谱光学声学断层扫描
Johanna Fuchte,Felix Wachter,Merle Claßen et al.
Johanna Fuchte et al.
Cystic fibrosis (CF) affects the gastrointestinal tract, but assessing gastrointestinal transit usually requires invasive procedures or exposure to ionizing radiation. Contrast-enhanced multispectral optoacoustic tomography (CE-MSOT) offers...
GPU-accelerated volumetric-mosaic optical-resolution photoacoustic microscopy and quantifying tumor vasculature growth [0.03%]
基于GPU加速的体全视光学分辨率光声显微镜及对肿瘤血管生成进行量化研究
Thanh Dat Le,Thi Thao Mai,Qiwei Lin et al.
Thanh Dat Le et al.
Tumor growth is closely linked to vascular remodeling, yet comprehensive volumetric imaging of tumor vasculature using photoacoustic microscopy (PAM) remains challenging due to limitations in the field of view, depth penetration, and proces...
Low frequency detection in clinical multispectral optoacoustic tomography [0.03%]
临床多光谱光学声学断层扫描中的低频检测
Maximilian Bader,Antonia Longo,Dominik Jüstel et al.
Maximilian Bader et al.
Frequency response characterization of optoacoustic (photoacoustic) detectors is critical because the signals are broadband, and the center frequency relates to the absorber size. We were particularly interested in studying the sub-1 megahe...
Ultra-miniature and sensitive optical fiber-tip optomechanical resonant photoacoustic spectroscopy gas sensors [0.03%]
超微型光纤端面光学机械共振光声光谱气体传感器
Taige Li,Pengcheng Zhao,Peng Wang et al.
Taige Li et al.
Optomechanical resonator (OMR)-based photoacoustic spectroscopy (PAS) sensors have garnered significant attention for ultra-sensitive and selective trace-gas detection. However, it remains challenging for optomechanical resonant PAS (OMR-PA...
Side-polished fiber evanescent wave quartz-enhanced photoacoustic spectroscopy employing dielectric coatings for evanescent field enhancement [0.03%]
介质涂层增强倏逝场的侧抛光光纤光学激发型石英增强光电声光谱技术
Cian F Twomey,Gabriele Biagi,Albert A Ruth et al.
Cian F Twomey et al.
We report an all-fiber laser gas analyzer (LGA) based on quartz-enhanced photoacoustic spectroscopy (QEPAS) that exploits strong evanescent wave (EW) enhancement using a dielectric coating on side-polished fiber. The dielectric coating incr...
Radiation-pressure-induced surface deformation of transparent liquids due to laser beams under oblique incidence [0.03%]
激光斜入射下透明液体的辐射压诱导表面变形现象研究
B Anghinoni,L C Malacarne,C Jacinto et al.
B Anghinoni et al.
We consider the deformation of transparent liquid surfaces under the influence of radiation pressure generated from a gaussian laser beam with oblique incidence. It is seen that the beam intensity cross-section at the surface becomes ellipt...
Ppb-level formaldehyde sensor utilizing a compact 3D-printed differential photoacoustic cell and a 320 nm UV laser [0.03%]
基于320nm紫外激光和微型差分光声腔的ppb级甲醛传感器
Xiu Yang,Biao Li,Xiao Geng et al.
Xiu Yang et al.
Precise measurement of formaldehyde (H2CO) is a vital defense line for health, crucial for risk warning and prevention of major diseases like leukemia and cancer. The cross-interference of commercial electrochemical and metal oxide semicond...
Multispectral optoacoustic tomography of salivary glands in patients with clinically suspected Sjögren's disease: A pilot study [0.03%]
临床疑似舍格伦综合征患者的唾液腺多光谱光学声学断层成像：一项试点研究
Rik de Jong,Milou E Noltes,Hendrika Bootsma et al.
Rik de Jong et al.
Sjögren's disease (SjD) is a systemic auto-immune disease characterized by salivary gland inflammation and glandular dysfunction. Diagnosis is challenging due to its heterogeneity and currently relies on a variety of tests that are present...
Ryo Murakami,Yang Wang,Wojciech G Lesniak et al.
Ryo Murakami et al.
Prostate cancer (PCa) remains one of the leading causes of cancer-related mortality in males. While MRI is widely used for PCa diagnosis due to its high sensitivity, it is limited by its poor specificity in detecting aggressive PCa. Molecul...